2 years ago

Solve for n 0=-5n-2n

Mathematics

1 answer:

iris [78.8K]2 years ago

4 0

0 = -5n - 2n
0 = -7n <em>|divide both sides by (-7)</em>

<u>n = 0</u>

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please help me it is URGENT pls the first one is solve and the 2nd one is simplify I will give u lots of points thank you

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I.) (5x+3)/4-(2x-4)/3=5
Clear fractions:
3·((5x+3)/4)=15x+9
4·((2x-4)/3)=8x-16
15x+9-(8x-16)=5
15x+9-8x+16=5
Combine like terms:
7x+25=5
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II.) (3/11)·(5/6)-(9/12)·(4/3)+(5/13)·(6/15)
Remember PEMDAS
So first multiply:
3/11·5/6=15/66
9/12·4/3=3/3·1/1=3/3=1
5/13·6/15=1/13·6/3=6/39=2/13
(15/66)-1+(2/13)
Combine:
15/66-1/1=15/66-66/66=-51/66
-51/66+2/3=-51/66+44/66=-7/66
Answer: -7/66 :)

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